CN111154466B - Well cementation cement slurry system capable of realizing resource utilization of oil-based drilling cutting ash - Google Patents
Well cementation cement slurry system capable of realizing resource utilization of oil-based drilling cutting ash Download PDFInfo
- Publication number
- CN111154466B CN111154466B CN201911072750.9A CN201911072750A CN111154466B CN 111154466 B CN111154466 B CN 111154466B CN 201911072750 A CN201911072750 A CN 201911072750A CN 111154466 B CN111154466 B CN 111154466B
- Authority
- CN
- China
- Prior art keywords
- oil
- parts
- based drilling
- drilling cutting
- ash
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K8/00—Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
- C09K8/42—Compositions for cementing, e.g. for cementing casings into boreholes; Compositions for plugging, e.g. for killing wells
- C09K8/46—Compositions for cementing, e.g. for cementing casings into boreholes; Compositions for plugging, e.g. for killing wells containing inorganic binders, e.g. Portland cement
- C09K8/467—Compositions for cementing, e.g. for cementing casings into boreholes; Compositions for plugging, e.g. for killing wells containing inorganic binders, e.g. Portland cement containing additives for specific purposes
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K8/00—Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
- C09K8/42—Compositions for cementing, e.g. for cementing casings into boreholes; Compositions for plugging, e.g. for killing wells
- C09K8/46—Compositions for cementing, e.g. for cementing casings into boreholes; Compositions for plugging, e.g. for killing wells containing inorganic binders, e.g. Portland cement
- C09K8/467—Compositions for cementing, e.g. for cementing casings into boreholes; Compositions for plugging, e.g. for killing wells containing inorganic binders, e.g. Portland cement containing additives for specific purposes
- C09K8/487—Fluid loss control additives; Additives for reducing or preventing circulation loss
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention provides a well cementation cement slurry system capable of realizing resource utilization of oil-based drilling cutting ash, which comprises the following components in parts by weight: 100 parts of oil well cement, 50-55 parts of fresh water, 10-40 parts of oil-based drilling cutting ash, 1-3 parts of an activator, 1-2 parts of an interfacial wetting agent, 1-2 parts of a fluid loss agent, 1-1.5 parts of an expanding agent, 0.2-1.0 part of a retarder and 0.1-0.3 part of a defoaming agent; the activator is a compound solution of weak base inorganic salt and aluminum sulfate salt; the interfacial wetting agent is a compound solution of a nonionic surfactant with the HLB value of 13-15. The method can effectively convert the oil-based drilling cutting ash remained in the environment-friendly treatment of the oil-based drilling cutting into the admixture of the well cementation cement slurry system, realizes the resource utilization of the oil-based drilling cutting ash, ensures that the oil-based drilling cutting ash does not occupy the land and pollute the environment, and ensures the green sustainable development of shale gas exploration and development.
Description
Technical Field
The invention relates to the technical field of building decoration material manufacturing, in particular to a well cementation cement slurry system capable of realizing resource utilization of oil-based drilling cutting ash and a preparation method thereof.
Background
Oil-based drill cuttings with oil contents as high as 15% -25% as a product of unconventional oil and gas development are hazardous waste (national hazardous waste catalogue, HW 08). If the waste water is directly discharged without being treated, the waste water can cause serious harm to the surrounding ecological environment. A plurality of universities and enterprises in China develop a plurality of harmless treatment technical researches on oil-based drilling cuttings, certain progress is achieved, environment-friendly treatment is mainly carried out through methods such as high-temperature calcination, LRET extraction and high-temperature thermal analysis, treatment means for ash slag mainly comprises building brick making or bottom-bedding road repairing, the treatment amount and the application scale are limited, and potential environment-friendly risks still exist. With the national requirement on environmental protection becoming higher and higher, the treatment on oil-based drilling cutting ash is limited, which causes a large amount of accumulation and storage, and the method becomes an environmental hidden danger to be solved urgently, and seriously restricts the development of safe production and efficient exploration and development of shale gas.
At present, the treatment research on oil-based drilling cuttings at home and abroad is more, the research on the post-treatment of oil-based drilling cuttings ash is less, most of the research still stays in an indoor experimental stage, and the research is far away from harmless industrial application. Chinese patent publication No. CN201610300674.2 provides a concrete using oil-based drill cutting residues as admixture, which is prepared by mixing and stirring cement, fine aggregate, coarse aggregate, oil-based drill cutting residues and fly ash uniformly, and then adding water and a water reducing agent, and stirring uniformly, wherein the weight percentage of each component is 9-15% of cement, 22-29% of fine aggregate, 40-46% of coarse aggregate, 3-15% of oil-based drill cutting residues, 2-5% of fly ash, 6-8% of water and 0.15-0.25% of water reducing agent, and the production requirements of common commercial concrete are met. The application of the method for utilizing the oil-based drilling cutting ash in the patent mainly belongs to the field of buildings, potential environmental protection risks still exist, the oil-based drilling cutting ash is less in ash mixing amount, and therefore resource utilization of the oil-based drilling cutting ash is yet to be researched.
Disclosure of Invention
The invention aims to provide a well cementation cement slurry system capable of realizing resource utilization of oil-based drilling cutting ash, which can effectively convert the oil-based drilling cutting ash remained in environment-friendly treatment of oil-based drilling cutting into an admixture of the well cementation cement slurry system, realize resource utilization of the oil-based drilling cutting ash, ensure that the oil-based drilling cutting ash does not occupy land and pollute the environment any more, and ensure green sustainable development of shale gas exploration and development.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a well cementation cement slurry system capable of realizing resource utilization of oil-based drilling cutting ash comprises the following components in parts by weight: 100 parts of oil well cement, 50-55 parts of fresh water, 10-40 parts of oil-based drilling cutting ash, 1-3 parts of an activator, 1-2 parts of an interfacial wetting agent, 1-2 parts of a fluid loss agent, 1-1.5 parts of an expanding agent, 0.2-1.0 part of a retarder and 0.1-0.3 part of a defoaming agent; the activator is a compound solution of weak base inorganic salt and aluminum sulfate salt; the interfacial wetting agent is a compound solution of a nonionic surfactant with the HLB value of 13-15.
According to the scheme, the oil-based drilling cutting ash is ash slag obtained by carrying out environment-friendly high-temperature thermal analysis on oil-based drilling cutting in the shale gas development process and then crushing and sieving, and the specific surface area is not less than 10m 2 The/kg, the average particle size is 400-500 mu m, and the 40-mesh sieve residue is not more than 1.0 percent.
According to the above scheme, the weak base inorganic salt comprises phosphate, silicate or carbonate, and the like, and the non-ionic surfactant comprises amide, polyether or alcohol amine, and the like.
According to the scheme, the preparation method of the activating agent comprises the following steps: stirring and dissolving the weak base inorganic salt material to form 20-35 wt% concentrated solution, and then compounding with supplementary 2-5 wt% aluminum sulfate. The activator effectively stimulates the potential chemical reaction activity of the crystal phase structures such as silicon dioxide, aluminum oxide and the like in the oil-based drilling cutting ash by carrying out corrosion decomposition on the crystal phase structures, complements with cement hydration, improves the strength and compactness of the set cement, and can improve the 48h compressive strength of the set cement by more than 40%.
According to the scheme, the nonionic surfactant is any one or a mixture of two of coconut oil diethanolamide, fatty alcohol-polyoxyethylene ether sodium sulfate and diethanol monoisopropanolamine with the HLB value of 13-15, and is compounded into a solution with the concentration of 10-30 wt%. The nonionic surfactant improves the hydrophilicity of the oil-based drilling cutting ash cement through cleaning and wrapping residual oil on the surface of the oil-based drilling cutting ash, realizes cementing sealing of a first interface and a second interface of a well cementation and can improve the cementing strength of the cement interface by over 50 percent.
According to the scheme, the fluid loss agent is an acrylamide/2-acrylamide-2-methylpropanesulfonic acid copolymer with the molecular weight of 800-1000 ten thousand and the apparent viscosity of a 1.0 wt% solution of 35-53 mPa.s.
According to the scheme, the expanding agent is a mixture of calcium sulphoaluminate and periclase, and the particle size is 200-400 meshes.
According to the scheme, the retarder is a mixture of gluconate and boric acid.
According to the scheme, the defoaming agent is a polyvinyl ether defoaming agent.
The invention has the beneficial effects that:
1) the cement paste system is simple to prepare, the compatibility among additives is good, the thickening time is randomly adjustable within 90-360min, the conversion transition time is within 15min, and the cement paste has excellent thickening anti-channeling performance;
2) the activator added into the cement paste system is convenient to implement on site, has an obvious activation effect, has good compatibility with cement paste, can effectively excite the potential chemical reaction activity of the oil-based drilling cutting ash, is complementary with cement hydration, improves the strength and compactness of set cement, and can improve the 48-hour compressive strength of the set cement by more than 40%;
3) the interface wetting agent added into the cement paste system provided by the invention is used for wetting and reversing, the interface cementation is obviously improved, and the interface wetting agent has good compatibility with cement paste, so that the hydrophilicity of the oil-based drilling cutting cement stone can be effectively improved, the cementation sealing of a first interface and a second interface of a well cementation can be realized, and the interface cementation strength of the cement stone can be improved by more than 50%;
4) the invention meets the construction requirements of field ash mixing and slurry stirring by selecting the particle size of the oil-based drilling cutting ash, and forms particle grading with cement ash to improve the density of cement stone, thereby further improving the compressive strength.
Drawings
FIG. 1 is a particle size distribution plot for the product of example 2 of the present invention;
FIG. 2 is a graph of the thickening profile of the product of example 2 of the present invention.
Detailed Description
The technical solution of the present invention will be described below with reference to the embodiments and the accompanying drawings.
Example 1:
the invention provides a well cementation cement slurry system capable of realizing resource utilization of oil-based drilling cutting ash, which comprises the following components in parts by mass: 600g of oil well cement, 300g of fresh water, 96g of oil-based drilling cutting ash, 9g of an activator, 6g of an interfacial wetting agent, 9g of a fluid loss agent, 6g of an expanding agent, 1.5g of a retarder and 1g of a defoaming agent; the oil-based drilling cutting ash is ash obtained by crushing and sieving oil-based drilling cutting subjected to environment-friendly high-temperature thermal analysis in the shale gas development process; the activator is a compound solution of sodium silicate and aluminum sulfate; the interfacial wetting agent is a compound solution of coconut oil diethanolamide and fatty alcohol-polyoxyethylene ether sodium sulfate with the HLB value of 13-15; the fluid loss agent is an acrylamide/2-acrylamide-2-methylpropanesulfonic acid copolymer; the expanding agent is a mixture of calcium sulphoaluminate and periclase; the retarder is a mixture of gluconate and boric acid; the defoaming agent is polyvinyl ether.
The preparation method of the well cementation cement slurry suitable for realizing resource utilization of the oil-based drilling cutting ash comprises the following steps:
(1) under the condition of room temperature, sequentially adding and mixing oil well cement, oil-based drilling cutting ash, a fluid loss agent and an expanding agent, adding the next material after each material is added and uniformly stirring, and uniformly mixing to obtain slurry preparation ash for later use;
(2) adding fresh water, an activator, an interfacial wetting agent, a retarder and a defoamer into a pulp cup in sequence, adding the next material after uniformly stirring every material, and uniformly mixing to obtain pulp preparation medicine water for later use;
(3) under the condition that the stirring speed is 3000-4000RPM, adding the slurry mixing ash into the slurry mixing drug water within 10-15s, uniformly stirring and mixing, and then adjusting the stirring speed to 10000-12000 r/min, and stirring for 30-35 s.
Example 2:
the invention provides a well cementation cement slurry system capable of realizing resource utilization of oil-based drilling cutting ash, which comprises the following components in parts by mass: 600g of oil well cement, 315g of fresh water, 150g of oil-based drilling cutting ash, 12g of an activator, 6g of an interfacial wetting agent, 9g of a fluid loss agent, 6g of an expanding agent, 1.5g of a retarder and 1g of a defoaming agent; the oil-based drilling cutting ash is ash obtained by crushing and sieving oil-based drilling cutting subjected to environment-friendly high-temperature thermal analysis in the shale gas development process; the activator is a compound solution of sodium silicate and aluminum sulfate; the interfacial wetting agent is a compound solution of coconut oil diethanolamide and fatty alcohol-polyoxyethylene ether sodium sulfate with the HLB value of 13-15; the fluid loss agent is an acrylamide/2-acrylamide-2-methylpropanesulfonic acid copolymer; the expanding agent is a mixture of calcium sulphoaluminate and periclase; the retarder is a mixture of gluconate and boric acid; the defoaming agent is polyvinyl ether.
The preparation method is the same as example 1.
Example 3:
the invention provides a well cementation cement slurry system capable of realizing resource utilization of oil-based drilling cutting ash, which comprises the following components in parts by mass: 600g of oil well cement, 328g of fresh water, 240g of oil-based drilling cutting ash, 12g of activator, 6g of interfacial wetting agent, 9g of fluid loss agent, 6g of expanding agent, 1.5g of retarder and 1g of defoaming agent; the oil-based drilling cutting ash is ash obtained by crushing and sieving oil-based drilling cutting subjected to environment-friendly high-temperature thermal analysis in the shale gas development process; the activator is a compound solution of sodium silicate and aluminum sulfate; the interfacial wetting agent is a compound solution of coconut oil diethanolamide and fatty alcohol-polyoxyethylene ether sodium sulfate with the HLB value of 13-15; the fluid loss agent is an acrylamide/2-acrylamide-2-methylpropanesulfonic acid copolymer; the expanding agent is a mixture of calcium sulphoaluminate and periclase; the retarder is a mixture of gluconate and boric acid; the defoaming agent is polyvinyl ether.
The preparation method is the same as example 1.
The performance of the well cementation cement slurry system products obtained in the embodiments 1 to 3 of the invention is tested according to the test method of the petroleum industry standard, and the test results are shown in the following table 1.
TABLE 1 comparison of product Performance parameters
| Item | Example 1 | Example 2 | Example 3 |
| Loss of water (mL) | 44 | 46 | 42 |
| Thickening time (min/52 ℃ C.) | 123 | 90 | 105 |
| Compressive strength (MPa/48h x 30 ℃ C.) | 19.5 | 18.0 | 16.7 |
| Interface cementation strength (MPa) | 1.06 | 0.98 | 0.87 |
| Permeability (mD) | 0.0123 | 0.0116 | 0.0132 |
Wherein, the thickening time, the water loss and the compressive strength of the cement paste are measured according to an oil well cement application performance test method SY/T5546-1992; other cement slurry performance requirements are enforced according to oil well cement slurry performance requirements SY/T6544-2003.
As can be seen from the test data in table 1, the well cementation cement slurry system capable of realizing resource utilization of the oil-based drilling cutting ash has the characteristics of low water loss, high strength, outstanding thickening and channeling prevention capability, excellent comprehensive performances such as cement stone permeability and interface cementing capability, simple formula composition, simple field construction and the like, can effectively convert the oil-based drilling cutting ash remaining in the environment-friendly treatment of the oil-based drilling cutting into an admixture of the well cementation cement slurry system, realizes resource utilization of the oil-based drilling cutting ash, enables the oil-based drilling cutting ash not to occupy land and pollute the environment, and ensures green sustainable development of shale gas exploration and development.
The method carries out the tests of the particle size of the ash particles of the oil-based drilling cuttings and the consistency change of the cement slurry on the well cementation cement slurry system product obtained in the embodiment 2 respectively. The results of the particle size analysis test are shown in fig. 1, which is a particle size distribution diagram showing that the oil-based drilling dust used in example 2 has a large particle size, a small specific surface area and low potential chemical reactivity. The results of the consistency change test are shown in FIG. 2, which is a thickening curve showing that the well cementing slurry system product obtained in example 2 has excellent properties of low initial consistency, stable thickening performance and short transition time. Similarly, the corresponding particle size test and consistency change test were also performed for examples 1 and 3, and the test results were not significantly different from those of example 2.
Although the above embodiments have been described in detail for the purpose of illustration only and not for the purpose of limitation, it should be understood by those skilled in the art that the following descriptions are made by way of example only: modifications and equivalents may be made thereto without departing from the spirit and scope of the invention and any modifications and equivalents may fall within the scope of the claims.
Claims (1)
1. A well cementation cement slurry system capable of realizing resource utilization of oil-based drilling cutting ash is characterized by comprising the following components in parts by weight: 100 parts of oil well cement, 50-55 parts of fresh water, 10-40 parts of oil-based drilling cutting ash, 1-3 parts of an activator, 1-2 parts of an interfacial wetting agent, 1-2 parts of a fluid loss agent, 1-1.5 parts of an expanding agent, 0.2-1.0 part of a retarder and 0.1-0.3 part of a defoaming agent; the activator is a compound solution of weak base inorganic salt and aluminum sulfate salt; the interfacial wetting agent is a compound solution of a nonionic surfactant with the HLB value of 13-15;
the oil-based drilling cutting ash is ash obtained by carrying out environment-friendly high-temperature thermal analysis on oil-based drilling cutting in the shale gas development process, then crushing and sieving, and has a specific surface area of not less than 10m 2 /kg, average particle size of 400-;
the weak base inorganic salt comprises phosphate, silicate or carbonate, and the nonionic surfactant comprises amide, polyether or alcohol amine surfactants;
the preparation method of the activator comprises the following steps: stirring and dissolving weak base inorganic salt materials to form 20-35 wt% of concentrated solution, and then compounding with supplementary 2-5 wt% of aluminum sulfate;
the nonionic surfactant is any one or a mixture of two of coconut oil diethanolamide, fatty alcohol-polyoxyethylene ether sodium sulfate and diethanol monoisopropanolamine with the HLB value of 13-15, and is compounded into a solution with the concentration of 10-30 wt%;
the fluid loss agent is an acrylamide/2-acrylamide-2-methylpropanesulfonic acid copolymer with the molecular weight of 800-1000 ten thousand and the apparent viscosity of 1.0 wt% solution of 35-53 mPa.s;
the expanding agent is a mixture of calcium sulphoaluminate and periclase, and the particle size is 200-400 meshes;
the retarder is a mixture of gluconate and boric acid;
the defoaming agent is a polyvinyl ether defoaming agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911072750.9A CN111154466B (en) | 2019-11-05 | 2019-11-05 | Well cementation cement slurry system capable of realizing resource utilization of oil-based drilling cutting ash |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911072750.9A CN111154466B (en) | 2019-11-05 | 2019-11-05 | Well cementation cement slurry system capable of realizing resource utilization of oil-based drilling cutting ash |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111154466A CN111154466A (en) | 2020-05-15 |
| CN111154466B true CN111154466B (en) | 2022-08-26 |
Family
ID=70555958
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911072750.9A Active CN111154466B (en) | 2019-11-05 | 2019-11-05 | Well cementation cement slurry system capable of realizing resource utilization of oil-based drilling cutting ash |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111154466B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111848016A (en) * | 2020-07-23 | 2020-10-30 | 中国石油天然气集团有限公司 | Oil-based drilling cutting surface well cementation cement slurry and preparation method thereof |
| CN114085655B (en) * | 2021-08-09 | 2023-07-07 | 中海油田服务股份有限公司 | Material for treating waste oil-based mud thermal desorption dry slag and well cementation cement paste |
| CN113999658B (en) * | 2021-11-30 | 2022-12-02 | 西南石油大学 | Oleophilic cement slurry capable of improving packing performance of oil-containing well cementation interface |
| CN116854450A (en) * | 2023-03-15 | 2023-10-10 | 四川省建材工业科学研究院有限公司 | Activating treatment agent for preparing sintered insulating bricks from water-based drilling cuttings |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102173693A (en) * | 2011-03-25 | 2011-09-07 | 湖南宏禹水利水电岩土工程有限公司 | Clay slurry curing agent |
| CN103627375A (en) * | 2013-12-02 | 2014-03-12 | 中国石油集团西部钻探工程有限公司 | Slag MTC (Mud-To-Cement) cementing fluid and preparation method thereof |
| CN105462571A (en) * | 2015-11-16 | 2016-04-06 | 中国石油大学(华东) | Low-temperature cementing slurry system and composition thereof |
| CN107353884A (en) * | 2017-05-31 | 2017-11-17 | 中国石油天然气集团公司 | Interface affinity agent is used in the well cementation of horizontal well water-base drilling fluid |
| CN108147695A (en) * | 2016-12-06 | 2018-06-12 | 湖北恒利建材科技有限公司 | A kind of alkali-free liquid setting accelerator and its synthetic method |
| CN109437710A (en) * | 2019-01-08 | 2019-03-08 | 陕西延长石油(集团)有限责任公司研究院 | A kind of high water-cement ratio low cost low-density well cementing cement mortar and preparation method thereof |
| CN109761547A (en) * | 2019-02-13 | 2019-05-17 | 中石化石油工程技术服务有限公司 | A kind of well cementing mortar architecture of suitable shale gas horizontal well large size staged fracturing |
| CN110079287A (en) * | 2019-06-12 | 2019-08-02 | 西南石油大学 | A kind of oil well cement paste high temperature suspension stabilizer prepared using oil base shale drilling cuttings |
| CN110257037A (en) * | 2019-06-28 | 2019-09-20 | 中国石油集团川庆钻探工程有限公司工程技术研究院 | A kind of well cementation curable preposition liquid system and preparation method thereof |
-
2019
- 2019-11-05 CN CN201911072750.9A patent/CN111154466B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102173693A (en) * | 2011-03-25 | 2011-09-07 | 湖南宏禹水利水电岩土工程有限公司 | Clay slurry curing agent |
| CN103627375A (en) * | 2013-12-02 | 2014-03-12 | 中国石油集团西部钻探工程有限公司 | Slag MTC (Mud-To-Cement) cementing fluid and preparation method thereof |
| CN105462571A (en) * | 2015-11-16 | 2016-04-06 | 中国石油大学(华东) | Low-temperature cementing slurry system and composition thereof |
| CN108147695A (en) * | 2016-12-06 | 2018-06-12 | 湖北恒利建材科技有限公司 | A kind of alkali-free liquid setting accelerator and its synthetic method |
| CN107353884A (en) * | 2017-05-31 | 2017-11-17 | 中国石油天然气集团公司 | Interface affinity agent is used in the well cementation of horizontal well water-base drilling fluid |
| CN109437710A (en) * | 2019-01-08 | 2019-03-08 | 陕西延长石油(集团)有限责任公司研究院 | A kind of high water-cement ratio low cost low-density well cementing cement mortar and preparation method thereof |
| CN109761547A (en) * | 2019-02-13 | 2019-05-17 | 中石化石油工程技术服务有限公司 | A kind of well cementing mortar architecture of suitable shale gas horizontal well large size staged fracturing |
| CN110079287A (en) * | 2019-06-12 | 2019-08-02 | 西南石油大学 | A kind of oil well cement paste high temperature suspension stabilizer prepared using oil base shale drilling cuttings |
| CN110257037A (en) * | 2019-06-28 | 2019-09-20 | 中国石油集团川庆钻探工程有限公司工程技术研究院 | A kind of well cementation curable preposition liquid system and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111154466A (en) | 2020-05-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111154466B (en) | Well cementation cement slurry system capable of realizing resource utilization of oil-based drilling cutting ash | |
| CN107601988B (en) | Micro-expansion anti-crack super early-strength two-component geopolymer grouting material | |
| JP6072836B2 (en) | Functionalized polyamines for clay relaxation | |
| CN108329004B (en) | Red mud-based grouting plugging material | |
| CN106966648B (en) | CO prevention2、H2S corrosion well cementation cement slurry | |
| CN103664052A (en) | Polycarboxylate superplasticizer for machine-made sand concrete | |
| CN104973817A (en) | Concrete viscosity regulator suitable for compatible use with polycarboxylic acid water reducer and preparation method thereof | |
| CN111170693A (en) | High-performance grouting material for fabricated building and preparation method thereof | |
| CN105601189B (en) | Alkali-activated carbonatite concrete and preparation method thereof | |
| CN109180084B (en) | Active self-repairing cement slurry system responding to oil gas | |
| CN109942219B (en) | Concrete glue reducing agent with slump retaining effect | |
| CN105060786A (en) | Feldspar waste material concrete and preparation method thereof | |
| CN104072007A (en) | Superfine mineral micro powder grouting agent for duct grouting | |
| CN113955979B (en) | Non-dispersible high-temperature-resistant cement-based consolidation material in underground water environment and preparation method thereof | |
| WO2013184469A1 (en) | Methods of using oil-based wellbore cement compositions | |
| CN105439512A (en) | Ultrahigh strength cement-based grouting material easy to stir | |
| CN107935431A (en) | A kind of Concrete synergist and preparation method thereof | |
| CN108689658B (en) | Formula and preparation method of pumping lightweight aggregate concrete | |
| CN108516741B (en) | Steel slag sand-straw ash composite doping mortar and preparation method thereof | |
| CN104129962A (en) | Post-tensioned prestressed porelike grouting agent and preparation method thereof | |
| US20230322625A1 (en) | Hydraulic composition | |
| JP2010215479A (en) | Cement composition | |
| CN108164181B (en) | Concrete defoaming agent and preparation method thereof | |
| CN112897931B (en) | Concrete synergist and preparation method thereof | |
| CN113621355B (en) | Liquid lightening agent and preparation and application thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |